* Tools/GNUmakefile.preamble: Compile with -Wall.
* Tools/xpbs.m: Rename to +initializePasteboard. Return NO iff
XOpenDisplay fails.
* Tools/win32pbs.m (+initialize): Rename to +initializePasteboard.
Return YES.
* Tools/gpbs.m ([PasteboardServer -init]): Call +initializePasteboard
instead of +class. Set xPbClass to nil if the call fails.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@19992 72102866-910b-0410-8b05-ffd578937521